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St. Louis

$53+ Cheap flights from California to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from California to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from California (USCA) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from California to St. Louis

Cheapest flights from California to St. Louis
Explore the most affordable flight options available from California to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Frontier deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/58:04 amONT - STL
1 stop9h 30mFrontier
Sat 12/76:46 pmSTL - ONT
1 stop6h 58mFrontier
Deal found 11/19$108
This Frontier deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:53 pmLAS - STL
1 stop8h 20mFrontier
Sat 12/76:46 pmSTL - LAS
1 stop7h 16mFrontier
Deal found 11/19$108
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/62:28 pmSJC - STL
1 stop15h 45mFrontier
Sat 12/76:46 pmSTL - SJC
1 stop19h 22mFrontier
Deal found 11/20$138
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/610:47 amSNA - STL
1 stop19h 26mFrontier
Mon 12/96:46 pmSTL - SNA
1 stop20h 38mFrontier
Deal found 11/20$138
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/26:25 amSAN - STL
1 stop15h 42mFrontier
Sun 12/88:34 pmSTL - SAN
1 stop24h 36mFrontier
Deal found 11/20$182
This Frontier deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:40 pmLAX - STL
1 stop11h 33mFrontier
Mon 12/98:34 pmSTL - LAX
1 stop12h 49mFrontier
Deal found 11/20$188
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/610:27 pmLAS - STL
1 stop14h 54mMultiple Airlines
Wed 12/1112:15 pmSTL - LAS
2 stops13h 05mMultiple Airlines
Deal found 11/19$212
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/142:07 pmSJC - STL
1 stop7h 47mAmerican Airlines
Mon 12/167:08 amSTL - SJC
1 stop8h 22mAmerican Airlines
Deal found 11/19$226
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1112:30 amSFO - STL
1 stop7h 17mUnited Airlines
Fri 12/137:00 amSTL - SFO
Nonstop4h 36mUnited Airlines
Deal found 11/20$246
This FlightHub deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2610:11 pmSFO - STL
1 stop20h 18mFrontier
Thu 1/210:09 pmSTL - SFO
1 stop11h 50mFrontier
Deal found 11/19$248
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/241:43 pmSJC - STL
1 stop5h 51mDelta
Tue 1/77:40 amSTL - SJC
1 stop6h 47mDelta
Deal found 11/19$256
This United Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/512:50 pmSMF - STL
1 stop5h 51mUnited Airlines
Sun 5/255:30 amSTL - SMF
1 stop6h 01mUnited Airlines
Deal found 11/21$262

Find flights from California to St. Louis within your budget

Customize your flight search to find flights from California to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSt. Louis

ONT - STL

ONTSTL

Ontario

Thu 12/5

8:04 am-7:34 pm

1 stop9h 30m

Lambert-St Louis

Sat 12/7

6:46 pm-11:44 pm

1 stop6h 58m

$108

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Thu 12/5

9:53 pm-8:13 am

1 stop8h 20m

Lambert-St Louis

Sat 12/7

6:46 pm-12:02 am

1 stop7h 16m

$108

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 12/6

2:28 pm-8:13 am

1 stop15h 45m

Lambert-St Louis

Sat 12/7

6:46 pm-12:08 pm

1 stop19h 22m

$138

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 12/6

10:47 am-8:13 am

1 stop19h 26m

Lambert-St Louis

Mon 12/9

6:46 pm-1:24 pm

1 stop20h 38m

$138

San DiegoSt. Louis

SAN - STL

SANSTL

San Diego

Mon 12/2

6:25 am-12:07 am

1 stop15h 42m

Lambert-St Louis

Sun 12/8

8:34 pm-7:10 pm

1 stop24h 36m

$182

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 2/28

6:30 am-9:16 am

1 stop24h 46m

Lambert-St Louis

Mon 3/3

11:08 pm-9:40 am

1 stop12h 32m

$186

Las VegasSt. Louis

LAS - STL

LASSTL

Las Vegas Harry Reid Intl

Fri 12/6

10:27 pm-3:21 pm

1 stop14h 54m

Lambert-St Louis

Wed 12/11

12:15 pm-11:20 pm

2 stops13h 05m

$212

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 12/14

2:07 pm-11:54 pm

1 stop7h 47m

Lambert-St Louis

Mon 12/16

7:08 am-1:30 pm

1 stop8h 22m

$226

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Wed 1/8

12:10 pm-6:09 pm

Nonstop3h 59m

Lambert-St Louis

Wed 1/15

9:44 am-5:30 pm

1 stop9h 46m

$227

San FranciscoSt. Louis

SFO - STL

SFOSTL

San Francisco

Wed 1/8

9:15 am-7:30 pm

2 stops8h 15m

Lambert-St Louis

Wed 1/15

1:40 pm-8:57 pm

1 stop9h 17m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 60 results
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Best time to book a flight from California to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from California with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from California to St. Louis

Get recent, data-driven insights about flights from California to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from California to St. Louis?

Currently, September is the cheapest month in which you can book a flight from California to St. Louis (average of $308). Flying from California to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to STL?

Find hourly flight availability from California to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from California to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from California to St. Louis

Explore weekly flight availability from California to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from USCA to STL are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated November 21, 2024.
See what other customers who have flown with Spirit Airlines, Frontier and American Airlines from California to St. Louis have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,810 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.2

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from California to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from California?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from California to St. Louis.

  • How popular is this California to St. Louis flight route?

    The California to Lambert-St Louis flight path was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from California to St. Louis one-way?

    The cheapest airlines for a one-way flight from California to St. Louis are Frontier ($53), Spirit Airlines ($94), and United Airlines ($109).

  • What are the most popular routes from California to St. Louis?

    The most popular route from California to St. Louis is San Francisco - Lambert-St Louis. You may also consider Los Angeles - Lambert-St Louis or Ontario - Lambert-St Louis.

  • What are the most reliable airlines from California to St. Louis?

    The top 3 most reliable airlines when flying from California to St. Louis are Sun Country Air (100%), Alaska Airlines (89%) and Southwest (87%).

  • What are the cheapest flights from California to St. Louis?

    Looking for the cheapest flight from California to St. Louis? While on average our users pay $385, our data indicates the cheapest price to be $177. The most popular route (San Francisco - Lambert-St Louis), is priced around $177.

  • Can I find deals for flights from California to St. Louis that include hotel bookings?

    Yes. In addition to deals on California to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to St. Louis.

  • Can I find deals for business class flights from California to St. Louis?

    Yes. Cheapflights offers flight deals from California to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from California to St. Louis (average of $308). Flying from California to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for California to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from California to St. Louis

Discover the top 7 airlines that operate flights from California to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$97Average$218FlexibilityNo cancel feeOn-time65%
FrontierCheapest$105Average$203FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$214Average$404FlexibilityNo cancel feeOn-time71%
DeltaCheapest$219Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$236Average$445FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$287Average$445FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$329Average$682FlexibilityNo cancel feeOn-time75%
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